The noise is caused by the lightweight singe-mass flywheel. The stock flywheel is a dual-mass dampened flywheel that is designed to keep the obnoxiously loud transmission quieter (aka it doesn't transmit as much gear noise). The noise will never *cause* any damage, its just annoying to some. Assuming you have the proper clutch/pressure plate/flywheel for the car, they wont damage the transmission.
Tell them to fix and replace your trans, put your expensive *** clutch and flywheel back on, and to properly **** off.
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2010 Nissan 370Z 40th Anniversary Edition #762/1000 | Forgestar | Michelin | Swift | TRS | Z Speed | ARK | Z1 | Hawk | CFE | Evo-R | GTMat | Stillen | Seibon | Whiteline | Pioneer |
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